Producers are at the bottom or beginning of the food chain because they produce their own food. producers do not eat other organisms unless there are exceptions. consumers eat other consumers and also eat producers.
The major components of the lymphatic system include lymph, lymphatic vessels, and lymphatic organs that contain lymphoid tissues.
<span>Laws and model making are </span><span>two types of scientific knowledge can be expressed as a mathematical equations</span>
Answer:
The correct answer is option c.
Explanation:
The human eye is a complex adaptation, which has evolved over many millions of years, and similarly to other composite adaptations, it still exhibits the signs of the evolutionary history. The complex adaptation of the human eye is the outcome of the evolution of the past organisms, which have utilized transitional forms of the eye. The evolution of the eye is a cumulative procedure. The evolution of the eye did not take place by random chance, however, it occurs due to billions of years of natural selection.
